Engineering Cases

Real deployments with the numbers attached: what the original system struggled with, which fans replaced it, and the measured airflow, energy and noise outcomes. Browse LONGWELL project cases across data centers, industry, refrigeration, agriculture and OEM programs.

lwfa e 250 01 forward curved centrifugal fan
By longwell / June 23, 2026 / Engineering Cases

LWFA-E-250-01 Forward-Curved Centrifugal Fan for HVAC Air Handlers

An OEM required a 220V AC centrifugal fan for a commercial air conditi...

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oxygenation blower
By longwell / May 21, 2026 / Engineering Cases

LWHPF Aquaculture Oxygenation Blower Use Cases

An aquaculture OEM required a portfolio of oxygenation blowers up to 3...

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longwell fan engineering cases
By longwell / May 21, 2026 / Engineering Cases

LONGWELL Fans for 43,500 m³/h Agricultural & Commercial Ventilation

A system integrator required technical data for 18 different fan model...

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electronic cooling fan
By longwell / May 19, 2026 / Engineering Cases

LWAD8025 24V DC Axial Fan for Electronics Cooling

A 24V DC axial fan delivering 42.02 CFM for a compact electronics encl...

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industrial blower
By longwell / May 18, 2026 / Engineering Cases

ADH-K900 Heavy-Duty Belt-Drive Blower for 30 kW Industrial Retrofits

A 30 kW industrial ventilation retrofit required a heavy-duty blower a...

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dc cross flow for 3d printing
By longwell / May 15, 2026 / Engineering Cases

LWCD-30190MN-07 24V DC Cross-Flow Fan for 3D Printer

An OEM developing a 3D printer required a 24V DC cross-flow fan for hi...

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LWA-Ø385x115-5
By longwell / May 15, 2026 / Engineering Cases

LWA-385×115-5 Axial Fan Impeller for Commercial HVAC OEM

An HVAC OEM required a custom 385mm axial fan blade for a new condense...

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longwell LWAC-50610 cross flow fan
By longwell / May 14, 2026 / Engineering Cases

610mm Cross-Flow Fan Housing & Impeller for HVAC OEMs

An HVAC OEM required a 610mm motorless cross-flow fan sub-assembly. Se...

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air curtain
By longwell / May 11, 2026 / Engineering Cases

LWAC-BG4515S Industrial Air Curtain for 380V High Power Doors

See how Longwell addressed a request for a 380V industrial air curtain...

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DC Blower
By longwell / May 11, 2026 / Engineering Cases

LWBD43M 19kPa DC Blower for Medical & Precision Airflow

A compact 24V DC centrifugal blower delivering 19 kPa max static press...

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